PIP design reduces installation strain or fatigue in high-volume applications. The groove dimensions must be entered in the program. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. The insert design is optimized for strength by utilizing an insert pair to generate the groove form. It's the quickest sliding dovetail joint to make, and adds both visual interest and strength to projects such as display shelving. Designing for interlocking joints. A novel HPDS with dovetail-like diversion grooves was proposed, and the geometry outline of the dovetail-like diversion groove was described by using the hyperelliptic curve. g. Dovetailed grooves are recommended since they hold the gaskets in place and allow the gaskets to expand laterally as they are deflected without constraining the sides. It is sometimes necessary to mount an O-ring in a face type groove in such a way that it. The Rules of Thumb feature is the product of hundreds of conversations with engineers about what must be emphasized to achieve a successful design. . When placed together, the boards lock tightly to one another. However, installing an O-ring into these grooves can be tricky without proper technique. . f. The groove is cut into the model. You can also visit our Mobile inPHorm which is an engineering resource for material selection and gland design for O-ring applications. S. However, this is an expensive groove to machine, and thus should be used only when. Using the table above, determine the maximum recommended gland depth for your application. By creating a proper groove design, you can enhance the sealing capabilities of o rings and prevent leakage. O-rings used as Boss Seals can withstand much higher application pressures because the threaded hardware mates to eliminate a clearance gap. This groove is difficult and expensive to machine, and the tolerances are especially critical. Rework can also be reduced, as the seal cannot be installed incorrectly or inadvertentlyDovetail grooves are used to hold the O-ring in place during installation or maintenance. Dovetail Joint. GROOVE 'N TURN® dovetail grooving inserts are used to machine O-ring dovetail grooves with 66° undercut angles. Good Design Principles. It achieves the same sealing efficiency with either internal or external pressure. 5-inch capacity and the two-way clamping force you get from the X-Pad (and its ability to hold round stock) has our woodworkers really excited. Re: Dovetail Grooves with Part Design Workbench. A good seal design will provide more gland void than seal volume. Tongue-and-groove joints are popular for making doors, flooring, and architectural paneling. A sliding dovetail joint consists of a long groove with angled sides to serve as the tail for the sliding dovetail joint, while a corresponding long pin is cut into the end of the adjoining board. A viewer shot in a request on how to make an o-ring groove in Alibre. 150 in. 일반 O-RING에 비해 마찰계수가 낮고 압축율 (Squeeze)이 적어. Because they can be expensive to machine, O-ring grooves should only be added when necessary or for metric O. It also provides detailed tables and charts for various O-Ring sizes, materials, and standards. Browse design considerations and recommendations for static face seals, metric o-rings, static dovetail o-rings, static rod-piston o-rings and dynamic rod-piston o-rings. ” The piston and the installed o-ring are then inserted into the bore. 010″ depth of cut is only 0. 300 in. X-rings are available in the same USA standard sizes. Fax: 859-335-5128. Once the sight correctly starts into the groove, use a sight adjustment tool to push the sight into its final centered position. Dovetail Cutters-Sight Groove Dovetail Cutters. The inserts are available in submicron. 12 C. DOVETAIL O-RING GROOVE DESIGN. Baker, P. Create dovetail grooves that allow O-rings to flex without falling out of place. View basic o-ring design guides for grooves, glands, depth, width, clearance, stretch, squeeze and more from Marco Rubber O-Ring specialists and buy onlineThis article reviews the underlying principles of using a dovetail groove with an O-ring, and provides original analysis of sealing performance based on a range of. Single flute carbide O-Ring form tools for lathe applications. Refer to the O-Ring Handbook or consult a Parker applications engineer for assistance in sizing O-rings to dovetail glands. The mounting platform is a 1. For Depths of Cut 2-1/2 to 3 times groove width. 06 - Multi Reach Grooving Tools. 005) radius size tolerance so the tolerance I define is twice the cutting tool radius size tolerance. com Dove Tail Design Guide. 42, lists SAE recommended dimensions for dovetail glands by ascending AS-568* numbers. A sliding dovetail joint consists of a long groove with angled sides to serve as the tail for the sliding dovetail joint, while a corresponding long pin is cut into the end of the adjoining board. Using only hand tools, Chris Gochnour builds a Shaker classic that is as solidly constructed as it is beautiful. NX 1980In this video, we learn about Groove commands of NX. Squeeze % Optimum range of compression is typically 8% to 35%. info compression (%) Groove info material. RE: Double sided dove tail vs one sided dove tail groove for o-ring. In dovetail drawer joints, the tongues look like actual. Continue to 9 of. Coefficient of thermal expansion (1. Please contact Greene Tweed engineering for help or advice if required as some applications are difficult to optimize both at ambient and operating temperatures. Typ. Insert sizes are . Then, calculate the O-Ring groove diameter as follows: a. Clamping freedom that goes beyond the edge; The Match Fit Dovetail Clamps profile fits a 3/8" deep groove made using 1/2" diameter, 14° dovetail router bit. 2016. Static Axial Seals. . This design is suitable for static sealing. O’ring Groove Design. About 25% void space or 75% nominal fill. 6 μm Ra)Dovetail joinery is a type of tongue-and-groove (or tail-and-pin) box joint. The method used to produce the finish is important. 070”, . Dovetail grooves are used to hold the O-ring in-place on a face seal groove during during assembly and maintenance of equipment. 004" - . , the THINBIT GROOVE ‘N TURN line includes Dovetail grooving inserts and Static O-Ring Grooves. We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. Radius r2 is a critical parameter for improving sealing performance. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Our custom KLICK Dovetail Router Bit is specifically designed to route the groove for the KLICK and sKLICK. For technical assistance with any of. Always refer to the lathe’s user manual and follow best machining practices for optimal results. I show it as selected in the image, above. 쿼드링은 왕복운동용,회전용,고정용등에. Gland Design Dovetail Grooves Gland Design for a Static Application for O-rings in Dovetail Grooves, METRIC Dovetail grooves are used to hold the O-ring in place during installation or maintenance. Making a dovetail oring groove is an annoying task on a good day at normal size scales. d o v e t a i l ® DOVETAIL® SEALS A Better Fit for a Better Seal ENGINEERED COMPONENTS The patented Dovetail® Seal was created specifically for dovetail glands where conventional seals can seriously compromise function. Need space in groove to allow for volume swell, thermal expansion, and increasing width due to squeeze. Adjust the router-table fence so it stops the workpiece to help you cut the groove the desired distance from the end of the workpiece. This. The first step in any dovetailed project is committing to cutting dovetails. The retention feature makes having an upside-down or vertical face seal groove much. The dovetail groove construction is only recommended for O-rings with bigger cross sections, . The purpose of this study is to compare the clinical characteristics of the slot and. It provides axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. O-ring Options for a Nominal Groove. Dovetail Cutters-Long Reach. The online O-Ring Calculator offers engineers and professionals a quick and easy way to calculate O-Ring dimensions and the appropriate housing layout in accordance with the international O-Ring standard ISO 3601. I think the choice is more manufacturing capability or design preference than case/application driven. The second component is the mating tail, this is made on the router table using the same 1/2 inch dovetail bit. The bowtie shape is cut from solid wood, with the grain running lengthwise, and set into the surface of a board at 90° to the grain. If you’re dovetailing stock less than 1⁄4-in. 4. Circumferential blade root fixings have been used extensivelyThe actual turning method may vary based on the specific groove design, workpiece material, and lathe capabilities. Fax: 859-335-5128. How to Mill a Dovetail in Fusion 360! Use these easy tips to define a toolpath that navigates semi-tricky dovetail geometry. EricHill, I regularly use half dovetail o-ring grooves. This is beneficial for special applications where the O-ring has to be fixed by the groove e. The processing method of the dovetail groove of the turning dovetail groove must also be turned in three steps with three. Go to "Gadgets" on the toolbar and select the "Dovetail Detect" Gadget. Explore some of the most common sealing materials we offer here. Therefore, the body is one of the most important considerations when designing an O-ring groove. info movement. I want to put a dovetail groove into the middle of the four edges. . The invention discloses composite conducting rail with inside enclosed dovetail groove and preparation method thereof, this composite conducting rail includes aluminium rail body and stainless steel belt, the radial section of aluminium rail body is in I-shaped, the radial section of stainless steel belt is in " C " font, stainless steel belt is seamlessly compounded in the. But an insufficient radius will potentially cause damage to the O-ring during installation, while an excessive radius may result in extrusion failure. Choose whether you are working with existing hardware or designing new hardware. The Katz-Moses Magnetic Dovetail Jig* ( 1:6 or 1:8 models): This simple tool dramatically cuts down the learning curve of dovetails to instantly increase your accuracy — and yes, they still count as hand cut. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Manufactured by Kaiser Tool Company, Thinbit’s Groove ’N Turn toolholders are available in square sizes of ¾" and 1" and are used for making undercuts and thread reliefs at 45-degree angles. 2360 Palumbo Drive. To create a retaining-ring groove, click the Retaining Ring Grooves tab. Axial dovetail fixings are usu-ally employed in the design of the large civil fan blades, and for the front stage of either a military or commercial core compressor where sufficient edge-wise bending strength is required to meet demanding bird impact or foreign ob-ject damage. In dovetail drawer joints, the tongues look like actual. AIR1108. a lid which opens regularly. Design Groove; Design O-Ring; Input O-Ring & Groove; Application info temperature (ºC) info pressure. 5. DMS-1684 NC. . World Class; Certifications; Contact Us; Call Us: Seal & Design Canada: Toronto, Ontario (416) 741-7005 Toll Free: 1-866-242-3770 Headquarters: Clarence, NY (716) 759-3344 Higbee Division: Syracuse, NYO-Ring Dovetail Cutters. We have been very fortunate in the many opportunities we have had to work with dedicated and gifted engineers. I would call Parker and ask them, but you might be left to scaling the design for the 1/16" cross section down by 50% and doing some thorough testing. My video shows both tails and pins being created by the Wudworx Dovetail tool. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. 20. O bag Groove Design Creole. Select a body or component on which to create the lip. 쿼드링은 사각에서 씰링 역할을 하므로 압력의 부하분포가 고르게. Whether you need bolted flanges or removable lids, this o-ring face seal groove design guide will help you choose the right o-ring for your application. Do one once as a library feature and you can drag and drop to add them in. Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. , Tube Fittings Div. Dovetail o-ring performance, whether for bolted flanges or open and close lids, varies greatly depending on width, diameter, cross-section and corner radii dimensions. EricHill, I regularly use half dovetail o-ring grooves. Dovetail grooves are used to hold the O-ring in place during installation or maintenance. The gland clearance diagram gives a guide to the relation between hardness, pressure, clearance, and extrusion. Dovetail grooves are incorporated into a design to help hold the O-ring in place during installation and maintenance. Dovetail o-ring groove design is used to prevent o-rings from falling out of the gland. g. Machining Centers . Clamp the box together. • Improved connection and various drain/vent ports – minimizes exposure to contaminants and maintains high performance of the housing in high-pressure applications. Abstract. long, and bases to 96. Hydrogenated Nitrile HNBR O-Rings Material. The o-ring seals radially. I. Dovetail O-Ring Groove Design Guide – Basic Recommendations #34. 3. FKM Viton® O-Rings Material. O-Ring & Engineered Seals. To obtain dimension y for measuring a female dovetail, add 1 to the cotangent of one-half the dovetail angle α, multiply by diameter D of the rod used, and subtract the result from dimension b. Concerning this, geometry, material selection, and stress calculation need to perform at the predesign phase. . g. The modified dove tail groove geometry, using the Parker O-Ring Handbook as a guide, is provided in the attached sketch. Click Grooves (Toolbox toolbar) or Toolbox > Grooves . The metal flange also provides many benefits along the lines of self-alignment with the walls and by supporting the. Radial Grooving. . To add more grooves, select a new position on the model and repeat steps 4 and 5. The retention feature makes having an upside-down or vertical face seal groove much easier. My question is this: Does any design handbooks cover this specific configuration? I know. A tongue-and-groove joint is a popular option in flooring and wood paneling: this joinery is one of the most self-explanatory wood joints. Ph: 859-269-2351. Granted, a single dovetail groove can be cut using a dovetail bit with a slightly larger shank diameter, but it would still require a tool change. * All standard force gaskets come without a cord. For standard O-ring grooves in the face and radial applications, we recommend 60-90% gland fill. Design Chart 4-4: Dovetail Grooves. This is SolidWorks video tutorial about 3D Dovetail slide block model design for beginners, showing SolidWorks Swept cut feature application. In the dovetail groove design, radius r1 never contacts the O-ring – so it does not affect the seal. Keep in mind this dovetail groove is a tool path around the entire perimeter of the plate and not just a local feature. Here is a diagram showing the effective diameter for a 90 degree V-Bit with a 0. Furthermore, the O-ring groove has triangular, rectangular, or dovetail shapes. Create an assembly and mate the brown and beige parts accordingly. The MATCHFIT Dovetail Router Bit is designed especially for the MATCHFIT Dovetail Clamps and dovetail hardware. Gland Design for Static Application for O-rings with Axial Squeeze Surface Finish X groove top and bottom : for liquids X = 32 micro inches (0. Groove Diameter must be larger than Bore Diameter. For exact details, refer to manufacturer catalogs . Dovetail groove cutters are the tool needed to cut a dovetailed groove, recommended for many of Spira’s groove mounted gaskets. After the first tail has been cut, turn the stock 180 degrees and place the opposite side into the jig. The name of this design: aluminum plate (dovetail groove). e. Download the pdf to. 832 . Installers can drill, tap, or machine the sets to accommodate specific mounting requirements. Boss seal The groove dimensions are incorporated in the standard dimensions. If the O-ring size required is known, simply select the AS, BS or ISO standard (such as AS568) and enter the dash size reference. The desired percent squeeze should be applied to this cross section diameter. 100, . This o-ring gland design guide is intended for use in specifying o-ring and gland dimensions for static applications Dichtomatik North America. . The designer should be especially conscious of the effects of thermal expansion and chemical compatibility for these high gland fill designs. products. For Depths of Cut 2-1/2 to 3 times groove width. dovetail: 1 n a mortise joint formed by interlocking tenons and mortises Synonyms: dovetail joint Type of: mortise joint , mortise-and-tenon joint a joint made by inserting tenon on. The groove design allows the O-ring to be retained in the face seal during assembly and maintenance. There are 3 forces to consider when designing interlocking joints: Friction - the critical force that holds the joint together. For dovetail grooves, match the centerline of the groove with the centerline of the O-ring. 00E-0,6), f. This requires looking at the dimensionally largest. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Offered with a sharp corner, . The shape of the O-ring groove depends on the application for the O-ring and can range from triangular to rectangular to dovetail. Bosstail A sliding dovetail joint is one that is not commonly used, but in specific instances, a sliding dovetail joint can be just what your project needs. O-rings are the most frequently used of all seals. Ph: 859-269-2351. 3/8" dovetail rails are a common, standardized style within the rimfire industry and are inexpensive to machine into the firearm's frame. Review Business . You just position it according to where the groove should be and revolve around decired axis. Gland Size Calculator. Max. 6Fire. Surface Finish Static Grooves Straight-sided grooves are best to pre-vent extrusion or nibbling. groove shape Ball shaped High stiffness Small deformation capabilities Avoid metal to metal contact (Particle generation) Big influence of geometric tolerances Dovetail shaped Low stiffness Large deformation capabilities Metal to metal contact possible (design measures)DuPont has developed a unique seal design to improve seal life in dovetail grooves. GROOVE DESIGN. . Analysis of a dovetail O-ring groove performance – ScienceDirect #36. As discussed in more detail below, a. Choose between more than 30 groove materials and 11 O-ring compounds! Benefit from a modern user friendly design and be guided from design rec-ommendations from info boxes. A Z-axis stage that uses a dovetail groove, V groove, and cross roller for the moving guide. 형성된다. Ph: 859-269-2351 Fax: 859-335-5128. We like the increased 8. Made of solid carbide, they are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on hard material. The tongue is a piece of the wood board that sticks out, and the groove is the space it fits into on the adjacent board. A rack and pinion type stage (X-axis) that is ideal for making quick and large movements. Designed for higher pressure fluid power applications, these O-Ring Face Seal (ORFS) Hydraulic Fittings meet or exceed SAE J1453 and ISO 8434-3 standards. If the dovetail is too narrow, balancing the piece on the router table is difficult. For dynamic seals, the upper limit of squeeze. Keep adjusting until the guide is right in line with the groove, then clamp down. 3. Although it mills the same 14 degree, 1/2" profile as a standard dovetail bit, its unique design automatically rounds over the sharp top shoulders creating incredibly clean dovetail grooves and virtually eliminating the need for sanding. Dovetail genyen siyon yo itilize pou kenbe O-bag la an plas sou yon renur sele figi pandan pandan asanble ak antretyen nan ekipman yo. Dovetail Gland Dimensions: Table E, p. Harvey Tool's fully stocked selection of O-Ring Slotting End Mills are optimized for machining O-Ring grooves, and feature a stub flute length for improved strength. This o-ring gland design guide is intended for use in specifying o-ring and gland dimensions for static applications Dichtomatik North America. 139 inch (3,53 mm) and bigger. 050, . For a rod (shaft) seal:O-Ring Max Groove Diameter = Min Shaft Diameter + (2 x Recommended Gland Depth) b. Installing and adjusting dovetail sights is simple if you have the proper tools. Static Radial Glans Design Application. Commonly used in hydraulic systems and other applications with substantial pressure fluctuations. The light blue faces in the following image represent a groove. The spiral is wound out of spring temper beryllium copper for excellent spring memory and compression set resistance. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent. . The dumbbell base is made of ductile iron and has a certain weight. Dovetail seal Also here there is a metal to metal con-tact as long as the construction will not deform under system pressure. 5 kgF at 120°C and 260°C test temperatures and was selected as the anchoring design for optimization. On a table saw, set the cut height for a little more than half the thickness of the drawer side material, and cut a groove to fit the thickness of the drawer bottom material. 이웃추가. Thinbit, manufactured by Kaiser Tool, has expanded its Groove ’N Turn line of dovetail grooving inserts, which are used to machine O-ring dovetail grooves with 66-degree undercut angles. . Secure material with ZERO interference. (figure 3) Boss SealsThe dovetail joint is drawn as a collection of line segments. If you’re applying an o-ring to a face seal, you’ll better not use a face seal o-ring groove design, sometimes referred to as a dovetail. The dovetail groove described in Design Charts 4-4 and 4-5 will serve this function. O-ring calculator with complete design analysis. In this video workshop, you’ll learn how to: Use a dovetail plane to cut tapered sliding dovetails Use tongue-and-groove planes and beading planes for backboards Cut mortise-and-tenon joints by hand Use molding planes to. 1-30). This groove is difficult and expensive to machine, and the tolerances are especially critical. Dovetail grooves are used to hold the O-ring in place during installation or maintenance. Ted . 'Dove Tail' styled O-ring grooves are commonly used to hold an O-ring in place during assembly and maintenance. This section of Seal Design determines if any standard o-rings are available for an existing groove. This groove is not common because it is more expensive to machine, but this dovetail groove can avoid seal extrusion out. Gland width is to sharp edge of groove. On the Mark Two composite 3D printer, for most general purposes, a . e. CNC, Swiss, Conventional and Round toolholders of various sizes and orientations available. 1-30). Yon renur koupe oswa gwenye pijon te pwouve benefisye nan anpil aplikasyon pou kenbe o-bag la an plas. , have a linear orientation from the trailing face 158 to the leading face 160, and the dovetail groove 162 may be linearly oriented as well. Finden Sie die korrekten Abmessungen und Toleranzen für O-Ring und Hardware. Dovetail joints are commonly used in furniture creation, thanks to their inherent resistance and tensile strength. Describes the groove. If you don’t have a marking knife, then just use a utility knife or pocket knife. 125, and . 625”. The dovetail groove has a trapezoidal or dovetail-shaped cross-section. Selected Diameter: Displays the diameter of the selected cylindrical face, or No selected diameter. An undercut or dovetail groove has proven beneficial in many applications to keep the o-ring in place. The two horizontal axes are the easiest so let's begin there. A static axial seal acts similar to a gasket in that it is squeezed on both the top and bottom of the o-ring's cross section. Create your own clamp tracks anywhere you can route. . use a ruler to measure the edge of the sight base to the edge of the dovetail groove. Noted for its resistance to being pulled apart, also known as tensile strength, the dovetail joint is commonly used to join the sides of a drawer to. Quad Ring benefits include: Less wear due to low friction, thus providing a longer service life. For pressures above 103. or longer in some cases. [Features] · A Z-axis stage that uses a dovetail groove (D-T type), V groove, and cross roller (V-CR type) for the travel guide. 004" to 0. 1 at $210 and 2 at $165 each. Dovetail joints require zero mechanical fasteners, making them more attractive to the traditionalist. EZ-Lok is an axial seal designed for retention in dovetail grooves. Get started for free, then upgrade from $30 USD / month. In the dovetail groove design, radius r1 never contacts the O-ring – so it does not affect the seal. The angled face must face to the inside of the groove for it to retain the o-ring when the o-ring is streched into the groove. A dining table commission came into the workshop recently that required an oak ( Quercus robur) base capable of holding a 100kg concrete top. To make a typical through dovetail, set the bit to cut a groove 5 ⁄ 16 " deep. And with just a few simple tips, you’ll be routing perfect joints in no time. † This groove width does not permit the use of Parbak rings. Dovetail grooving inserts are used to machine O-ring dovetail grooves with 66° undercut angles. Everything To Know About OnePlus. Specialty Profiles. Learn More > Contact. It provides axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. Due to the form of these tools, special considerations need to be made in order to achieve long tool life and superior results. Dovetail deck profiles are a highly cost effective deck profile, providing excellent strength, even at longer spans. The dovetail groove samples show a 11% decrease in flexural strength compared to the ones without grooves, this is due to the uneven distribution of resin through the grooves. 376 through . 6 μm Ra) O-ring Groove Design in 3 easy steps: Step 1. Dovetail and Half-Dovetail Grooves . I have spent a few hours researching and trying things. Adjust the router-table fence so it stops the workpiece to help you cut the groove the desired distance from the end of the workpiece. 103″. Defining the Details: Once we have synthesized and finalized the concept plan, we publish a formal design with enhanced detail and customized deliverables, including a detailed. 155". Excentricity info inner diameter stretch at inst (%) +-MATCHFIT DOVETAIL CLAMP DVC-525K2 Clamping freedom that goes beyond the edge. The dovetail groove described in Design Charts 4-4 and 4-5 will serve this function. FFKM Markez® O-Rings Material. Also, they controlled the neck diameter of the groove with a positional tolerance back to the datum. 1. $ 28. But an insufficient radius will potentially cause damage to the O-ring during installation, while an excessive radius may result in extrusion failure. Free groove volume. The special groove walls are good way to retain the seal, because the groove essentially pinch the seal, keeping it in position. 442 *. The KLICK connector serves as a non-visible, snap-in connector for components with small dimensions, such as Moulding and trims. 015) or top (. Inserts can groove, turn/bore and generate profiles. . The purpose of this design: the components on the top groove matched with the stainless steel door frame. The following information is a guide for o’ring. 090, . 5" Dovetail. Spira offers both standard and custom-sized. H9. Dovetail alignment board. . 275 of Y14. Gland Width (G) Gland Depth (L) RadiusWith a miter joint, each piece of wood is cut at a 45-degree angle. Cutting the groove for the drawer can be done with a table saw or a router and router table. Common examples for where a drop-hole would not be allowed include: In high pressure applications. Dividers: You can also use a compass, ruler, or calipers too. D. Chuo Precision Industrial. 5 Ø; Carbide Tipped; Corner Rounders. Before assembly, sand the inside faces of the sides and the front and back pieces, and both sides of the top and bottom to 220 grit. The EZ-Lok seal is designed specifically to simplify and error-proof the installation process. The dimensions listed in the O-Ring Handbook put good compression on the O-ring while preventing the groove from exceeding 100% fill. Here is how you can add dovetail joints to SolidWorks models really easily. This document covers the basics of O-Ring sealing, elastomer properties, and dynamic and static design criteria. 103" cross section) I typically ran a 20% squeeze, when I had a mechanical advantage for compressing the seal. Polyurethane O-Rings. . Once you find the right o-ring groove design you can easily order online from the world's largest. Simultaneous O-Ring Groove Compliant Dovetail Grooving and R Chamfering, Powdered High-Speed Steel, TIALN. Doing one in a groove that is less than 1/32" wide is extremely challenging. This figure is based on NBR O-rings with a cross section of . Choose whether you are working with existing hardware or designing new hardware.